TORRANCE, Calif., Sept. 13, 2013 – The 2014 Toyota Sienna, the only family van sold in the U.S. that offers an available all-wheel drive system, for 2014 offers the Blind Spot Monitor as a standalone option for the SE model. Previously for the SE grade, it was available only as part of option packages. The feature, which includes cross-traffic alert, remains standard on the Sienna Limited grade.